Slaves had outdoor jobs like picking cotton and working on plantations making crops for the white men
The french revolution occured in 1970
The first human remains were found in Ethiopia, which is in Africa
The Mexican Revolution, which began in 1910, ended dictatorship in Mexico and established a constitutional republic. A number of groups, led by revolutionaries including Francisco Madero, Pascual Orozco, Pancho Villa and Emiliano Zapata, participated in the long and costly conflict.